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Abstract Melt electrospinning is a much simpler and safer method in the production of ultra‐fine fibers compared with solution electrospinning. However, high‐spinning temperature usually leads to serious degradation of polymer materials. In determining factors that affect the relative mo ... mehr
Abstract In this work, we report the fabrication and deodorizing efficiency of nanostructured core‐sheath TiO2 nanofibers prepared by a combined technique of electrospinning and metallization. The morphologies and crystal structures of the resultant nanofibers were investigated by emissi ... mehr
Abstract A well‐ordered micrometer‐scale honeycomb monolith porous polymeric material with aligned channels was successfully prepared from UV‐curable urethane diacrylate monomer and 1,4‐dioxane solutions by conducting unidirectional freezing, photopolymerization, and sublimation of the f ... mehr
Abstract In this work, the diffusivity of three different migrants is investigated in water plasticized polyamides, while changing humidity at a steady temperature, and also in dry polyamides tested at different temperatures close to the glass transition point (Tg). The effect of hydrati ... mehr
Abstract In this article, we report the synthesis and characterization of chiral copolymers containing a photoactive azobenzene pendant group. The chiral copolymers of (S)‐N‐(1‐phenyl ethyl) methacrylamide (S‐NPEMAM) and disperse red 1 methacrylate (DR1MA) with two different feed composi ... mehr
A method has been developed to reduce the mass spectrometric ion signal suppression associated with the use of TFA as an additive in LC mobile phases. Through post‐column infusion of diluted NH4OH solution to LC eluents, the ammonium ion introduced causes the neutral analyte‐TFA ion pair ... mehr
RATIONALE Stable isotopes of nitrogen in nitrate (NO3–) are frequently used to identify nitrate sources and to study nitrogen (N) transformation processes, but the measurement methods available are generally rather labor intensive and/or costly, and dissolved organic matter (DOM) can in ... mehr
RATIONALE Cyanobacteria are a small group of photosynthetic planktonic bacteria, producing a large group of strong hepatotoxins called microcystins (MCs). Many studies have been conducted to evaluate the presence of MCs and nodularin (NOD) in water or in marine organisms, but little res ... mehr
RATIONALE The capabilities and performances of a quadrupole ion trap under damping force based on collisional cooling is of particular importance in high‐resolution mass spectrometry and should be analyzed by Mathieu's differential solutions. These solutions describe the stability and i ... mehr
RATIONALE Liquid chromatography/tandem mass spectrometry (LC/MS/MS) is frequently used for analysis of cannabinoids in drug abuse control. Despite differences in structure, the isomers Δ9‐tetrahydrocannabinol (THC) and cannabidiol (CBD) provide identical fragment spectra after positive ... mehr
Abstract Melt electrospinning is a much simpler and safer method in the production of ultra‐fine fibers compared with solution electrospinning. However, high‐spinning temperature usually leads to serious degradation of polymer materials. In determining factors that affect the relative mo ... mehr
Abstract In this work, we report the fabrication and deodorizing efficiency of nanostructured core‐sheath TiO2 nanofibers prepared by a combined technique of electrospinning and metallization. The morphologies and crystal structures of the resultant nanofibers were investigated by emissi ... mehr
Abstract A well‐ordered micrometer‐scale honeycomb monolith porous polymeric material with aligned channels was successfully prepared from UV‐curable urethane diacrylate monomer and 1,4‐dioxane solutions by conducting unidirectional freezing, photopolymerization, and sublimation of the f ... mehr
Abstract In this work, the diffusivity of three different migrants is investigated in water plasticized polyamides, while changing humidity at a steady temperature, and also in dry polyamides tested at different temperatures close to the glass transition point (Tg). The effect of hydrati ... mehr
Abstract In this article, we report the synthesis and characterization of chiral copolymers containing a photoactive azobenzene pendant group. The chiral copolymers of (S)‐N‐(1‐phenyl ethyl) methacrylamide (S‐NPEMAM) and disperse red 1 methacrylate (DR1MA) with two different feed composi ... mehr
Ferroportin-1 is a ‘nuclear’-negative acute-phase protein in rat liver: a comparison with other iron-transport proteins Laboratory Investigation advance online publication, April 2, 2012. doi:10.1038/labinvest.2012.52 Authors: Naila Naz, Ihtzaz A Malik, Nadeem Sheikh, Shakil ... mehr
Caspase-1-mediated regulation of fibrogenesis in diet-induced steatohepatitis Laboratory Investigation advance online publication, March 12, 2012. doi:10.1038/labinvest.2012.45 Authors: Laura J Dixon, Michael Berk, Samjhana Thapaliya, Bettina G Papouchado ... mehr
Reduction of NOTCH1 expression pertains to maturation abnormalities of keratinocytes in squamous neoplasms Laboratory Investigation advance online publication, February 13, 2012. doi:10.1038/labinvest.2012.9 Authors: Kei Sakamoto, Takuma Fujii, Hiroshi Kawachi, Yoshio Miki, ... mehr
Inside Lab Invest Laboratory Investigation 92, 164 (February 2012). doi:10.1038/labinvest.2011.202 mehr
Inhibition of Gsk3β activity improves β-cell function in c-KitWv/+ male mice Laboratory Investigation advance online publication, January 16, 2012. doi:10.1038/labinvest.2011.200 Authors: Zhi-Chao Feng, Lisa Donnelly, Jinming Li, Mansa Krishnamurthy, Matthew Riopel ... mehr
Abstract The combustion reaction mechanisms of Rape stalk, Cotton stalk, Rice straw and Manyflower Silvergrass produced in China were investigated combining the methods of thermogravimetry (TG) and differential thermogravimetry (DTG) in this paper. Experiment was conducted in a TG‐DTA an ... mehr
Abstract Viscose‐based activated carbon fibers (VACFs) were treated by a direct‐current (DC) discharge plasma at different conditions. The surface functional groups of VACFs were modified to improve the adsorption and catalysis capacity for SO2 and NOx. The surface properties of the untr ... mehr
Abstract Biodiesel has been drawing a great deal of attention on account of its special environment friendly and fuel properties. However, the cost of biodiesel production is still very high compared with that of traditional fossil fuels. In this study, a heterogeneous super acid catalys ... mehr
Abstract The time evolution of the methane reburn process at high temperature was investigated by the simulation method. The simulated results show that the time evolutions of each component are different with the stoichiometric ratio (SR) of the reburn zone and the reaction time. In the ... mehr
Abstract To evaluate the integrated system which post‐combustion capture was combined with a typical Chinese coal‐fired power plant and investigate the effect of coal ranks on techno‐economic analysis of the retrofitted power plant, the retrofitted power plant with post‐combustion CO2 ca ... mehr
Abstract Synthetic fuels from biomass (also referred to as BTL, biomass to liquids) may contribute to the future motor fuel consumption to a considerable extent. To overcome the logistical hurdles connected with the industrial use of large quantities of biomass, the de‐central‐centralize ... mehr
Abstract Hydrothermal carbonization (HTC) is a pretreatment process for making a homogenized, carbon rich, and energy dense solid fuel, called biochar, from underutilized lignocellulosic biomass. Compared to raw biomass, HTC biochar is both more hydrophobic for better storage and more fr ... mehr
Abstract Cellulosic biomass can be directly converted to hydrocarbon transportation fuels through the use of hydropyrolysis or integrated hydropyrolysis plus hydroconversion (IH2). Hydropyrolysis performed in a fast fluidized bed under 14–35 bar of hydrogen pressure with an effective deo ... mehr
Abstract Gasification seems to be a promising technology for small scale power generation, but while coal gasification has a long history and many facilities operate the process successfully, biomass hasn't the same success. Biomass gasifiers are usually based on “down draft” or “up draf ... mehr
Abstract A steam blown dual fluidized bed gasification plant was used to yield a nitrogen (N2) free product gas (synthesis gas) from various biomass fuels. In addition to the variation of process parameters like temperature, steam to carbon ratio, fluidization rate, and the influence of ... mehr
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